About the author

My name is Donovan Brown and I am a Principal DevOps Manager with Microsoft with a background in application development. I also run one of the Nation’s fastest growing online registration sites for motorsports events DLBRacing.com. When I am not writing software I race cars for fun. DLBRacing.com has given me the opportunity to combine my two passions writing software and racing cars.

Problem:

I get “no suitable method found to override” errors when I mole system.dll.

Solution:

Modify the System.moles file in your project and exclude everything except the types you are trying to mole.

Explanation:

I was trying to mole the SerialPort class in System.IO.Ports. After adding the mole for System.dll I began to get “no suitable method found to override” errors. To resolve this issue I simply double clicked the System.moles file to open it in my IDE. Then I modified the file so that moles were created only for the types under System.IO. Change System.moles from this: